Tardigrades Are Virtually Indestructible, Surviving Space and Radiation

These microscopic "water bears" can endure extreme conditions, including the vacuum of space, intense radiation, and temperatures from -272°C to 150°C. They do this by entering a state of suspended animation, making them Earth's most resilient creatures.

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https://www.nationalgeographic.com/animals/invertebrates/facts/tardigrade

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Published: March 25, 2026
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Space Biology Animals Weird Tardigrade Water Bear Extremophile Survival Microscopic

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